| Tomball to Grand Junction (Colorado) | 961.76 mi (1,547.80 km) |
| Tomball to Grand Prairie (Texas) | 197.24 mi (317.42 km) |
| Tomball to Grand Rapids (Michigan) | 1,045.29 mi (1,682.24 km) |
| Tomball to Grand Rapids (Minnesota) | 1,189.68 mi (1,914.61 km) |
| Tomball to Grand Terrace (California) | 1,296.40 mi (2,086.36 km) |
| Tomball to Grandview (Missouri) | 610.18 mi (981.99 km) |
| Tomball to Grandview (Washington) | 1,715.45 mi (2,760.75 km) |
| Tomball to Grandville (Michigan) | 1,038.91 mi (1,671.96 km) |
| Tomball to Granger (Indiana) | 962.30 mi (1,548.67 km) |
| Tomball to Granite Bay (California) | 1,567.77 mi (2,523.09 km) |
| Tomball to Granite City (Illinois) | 673.40 mi (1,083.73 km) |
| Tomball to Grants Pass (Oregon) | 1,752.01 mi (2,819.59 km) |
| Tomball to Grantsville (Utah) | 1,192.56 mi (1,919.24 km) |
| Tomball to Grapevine (Texas) | 214.06 mi (344.50 km) |
| Tomball to Grass Valley (California) | 1,570.04 mi (2,526.73 km) |
